1215900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{193}}^1$

素因数の和:220

約数の個数: 108

約数和(自身を含む): 4378192

約数和(自身を除く): 3162292

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 105, 126, 140, 150, 175, 180, 193, 210, 225, 252, 300, 315, 350, 386, 420, 450, 525, 579, 630, 700, 772, 900, 965, 1050, 1158, 1260, 1351, 1575, 1737, 1930, 2100, 2316, 2702, 2895, 3150, 3474, 3860, 4053, 4825, 5404, 5790, 6300, 6755, 6948, 8106, 8685, 9650, 11580, 12159, 13510, 14475, 16212, 17370, 19300, 20265, 24318, 27020, 28950, 33775, 34740, 40530, 43425, 48636, 57900, 60795, 67550, 81060, 86850, 101325, 121590, 135100, 173700, 202650, 243180, 303975, 405300, 607950, 1215900]

約数ペア:

[(1, 1215900), (2, 607950), (3, 405300), (4, 303975), (5, 243180), (6, 202650), (7, 173700), (9, 135100), (10, 121590), (12, 101325), (14, 86850), (15, 81060), (18, 67550), (20, 60795), (21, 57900), (25, 48636), (28, 43425), (30, 40530), (35, 34740), (36, 33775), (42, 28950), (45, 27020), (50, 24318), (60, 20265), (63, 19300), (70, 17370), (75, 16212), (84, 14475), (90, 13510), (100, 12159), (105, 11580), (126, 9650), (140, 8685), (150, 8106), (175, 6948), (180, 6755), (193, 6300), (210, 5790), (225, 5404), (252, 4825), (300, 4053), (315, 3860), (350, 3474), (386, 3150), (420, 2895), (450, 2702), (525, 2316), (579, 2100), (630, 1930), (700, 1737), (772, 1575), (900, 1351), (965, 1260), (1050, 1158)]